HCNR200#350

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Optoisolators are components which isolate two physically connected circuits electrically. The HCNR200#350 is a Darlington phototransistor output opto isolator, a device which not only isolates the connected circuits, but also modulates current in the linked circuit with the help of a signal from the other circuit. The HCNR200#350 is of general-purpose type, is suitable for a wide range of applications, and offers impressive performance characteristics, making it a popular choice.

The HCNR200#350 has a rare-earth LED with a peak wavelength of about 850nm as the input side and a Darlington phototransistor as the output side. The output transistor classification is an NPN type, and the mount type is Through-Hole. The LED requires a minimum forward current of 10mA, and the maximum forward voltage is 1.2V. The transistor portion has a maximum collector-emitter voltage of 30V which can be obtained when the LED current is at 40mA, and the maximum Collector-Base voltage must not exceed 35V. As for the allowed operating environment temperature, it is from -55°C to 100°C.

The working principle of the HCNR200#350 is simple. The LED which is the input side of the device is connected to the power source. When power is supplied, the LED light will turn on, with the light output controlled by the power on the LED pin. The experienced light is then detected by the phototransistor on the output side, and a current is generated. This current modulates the current in the output side of the device, whose voltage or current load is thus directly controlled by the light output of the LED.

The HCNR200#350 can be used in a huge range of applications due to its simple working principle and its excellent working characteristics. For example, it can be used to drive the loads which require precise control and long-term stability, such as LED drive current, motor forwarding control, industrial control, etc. It can also be used for isolation when linked with AC power.

In conclusion, the HCNR200#350 is an impressively featured opto isolator. Due to its reliable performance, it has become an extremely popular component when designing circuits. Also, its simple but robust working principle means it can be used in a wide range of applications. From LED drive current to power isolation, the HCNR200#350 is the ideal choice.

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